Currently the pre-installed OS of IGT-20 is Debian 8, and the OS image is less than 1GB in a 8GB microSD. By using df command, one can observe the real disk usage as below: root@igt20:~#df Filesystem 1K-blocks Used Available Use% Mounted on udev 10240 0 10240 ...
IGT-20 / IGT-21 microSD Access Speed
IGT-20 and IGT-21 provides dual microSD slots and supports up to SDHC. Read/Write test has been performed with the default 8GB MLC microSD. Here’s the methodology and test result: Reading the microSD root@igt20:~# hdparm -tT /dev/mmcblk0 /dev/mmcblk0: Ti...
Configure IGT-20 to DHCP from Factory Setting
The LAN of IGT-20 is set to static IP, 192.168.8.2, for users’ convenience when it’s shipped out of factory. This facilitates users to connect to your IGT-20 by SSH via a common CAT-5e cable as soon as you get them. However, if you’d like to ...
IGT-20 with Modbus for Environmental Monitoring
Abstract This article describes a real installation of IGT-20 that collects information of temperature and humidity in an electric component warehouse. In this installation, IGT-20 accesses to four sensors which run a very popular Modbus RTU protocol over the ...
How to Modify Static IP Address of IGT-20
The pre-installed Debian of IGT-20 is provided with ConnMan and already configured with a static IP 192.168.8.2 by default. With the factory configuration, i.e. no other networking modification being done, the Static IP Address can be changed by editing ConnMa...